Question

An elevator descends into the mind shift at the rate of 6 metre per minute it descends start from 10 metre above the ground level how long will it take to reach -350

Answer 1

Answer:

Now the elevator descends into the mine shaft at the rate of 6m/min.

so, the speed =6m/min.

Now, total distance to be covered = 10+350=360

Coz' the time would not be negative and the total distance covered from above to below would be the sum of 10 and 350 so that would be 360 meters, of course.

Now, we will have to find the time , so t=d/s

therefore t= 360/6 = 60 mins. means 1 hour......

I hope you have understood by now...

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